he has this reputation for being a deficit hawk. as joe biden said he voted for the wars, for the new medicare -- >> the prescription drug benefit. >> he voted -- >> the bush tax cuts. >> the bush tax cuts, all of the bush budgets. he voted for a bush stimulus. in addition to voting against obama stimulus but asking for money, he voted for bush stimulus and he described it in his speeches. he was a kecanesian. he's never been forced to be consistent and yet he's hailed as this great economist, this great numbers thinker. >> michael, ryan still had no answer, as joan said shall as to how he'd pay for a 20% across the board tax cut. martha raddatz asked at least twice. mike, have you ever heard a politician make such a promise to the electorate yet not even try, not even attempt to provide one detail when asked? >> well, here is what the campaign will say and here is what ryan wasn't saying explicitly on that stage because it's a hard thing to argue. it's that they believe that if you give this sort of tax cut, there will be economic